The antrum and pylorus are related parts of the stomach, but they are not the same. The pylorus is the most distal (farthest) portion of the stomach, connecting it to the duodenum (the first part of the small intestine).
According to the reference, the pylorus is divided into two parts: the antrum, which connects to the body of the stomach, and the pyloric canal, which connects to the duodenum.
Here's a breakdown in simpler terms:
- Pylorus: Think of the pylorus as the entire "exit region" of the stomach.
- Antrum: This is the wider, upper part of the pylorus, closest to the main body of the stomach. It's where food mixes and prepares to be emptied into the small intestine.
- Pyloric canal: This is the narrower, lower part of the pylorus, acting as a channel leading directly to the duodenum.
In essence, the antrum is a region within the pylorus.
| Feature | Antrum | Pylorus |
|---|---|---|
| Location | Part of the pylorus, near the stomach body | Distal portion of the stomach, connecting to the duodenum |
| Function | Mixing and grinding of food | Control of gastric emptying into the duodenum |
